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Diffstat (limited to 'lang/cpp/src/eventloopinteractor.cpp')
-rw-r--r-- | lang/cpp/src/eventloopinteractor.cpp | 205 |
1 files changed, 0 insertions, 205 deletions
diff --git a/lang/cpp/src/eventloopinteractor.cpp b/lang/cpp/src/eventloopinteractor.cpp deleted file mode 100644 index 09710ad4..00000000 --- a/lang/cpp/src/eventloopinteractor.cpp +++ /dev/null @@ -1,205 +0,0 @@ -/* - eventloopinteractor.cpp - Copyright (C) 2003,2004 Klarälvdalens Datakonsult AB - 2016 Bundesamt für Sicherheit in der Informationstechnik - Software engineering by Intevation GmbH - - This file is part of GPGME++. - - GPGME++ is free software; you can redistribute it and/or - modify it under the terms of the GNU Library General Public - License as published by the Free Software Foundation; either - version 2 of the License, or (at your option) any later version. - - GPGME++ is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU Library General Public License for more details. - - You should have received a copy of the GNU Library General Public License - along with GPGME++; see the file COPYING.LIB. If not, write to the - Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, - Boston, MA 02110-1301, USA. -*/ - -#ifdef HAVE_CONFIG_H - #include "config.h" -#endif - -#include <eventloopinteractor.h> - -#include <context.h> -#include "context_p.h" -#include <key.h> -#include <trustitem.h> - -#include <gpgme.h> - -#include <vector> -using std::vector; -#ifndef NDEBUG -# include <iostream> -#endif -#include <cassert> - -namespace GpgME -{ - -// -// EventLoopInteractor::Private Declaration -// - -class EventLoopInteractor::Private -{ -public: - struct OneFD { - OneFD(int aFd, int aDir, gpgme_io_cb_t aFnc, - void *aFncData, void *aExternalTag) - : fd(aFd), dir(aDir), fnc(aFnc), - fncData(aFncData), externalTag(aExternalTag) {} - int fd; - int dir; - gpgme_io_cb_t fnc; - void *fncData; - void *externalTag; - }; - - vector<OneFD *> mCallbacks; - - static void removeIOCb(void *tag); - static gpgme_error_t registerIOCb(void *data, int fd, int dir, - gpgme_io_cb_t fnc, void *fnc_data, - void **r_tag); - static void eventIOCb(void *, gpgme_event_io_t type, void *type_data); - - static const gpgme_io_cbs iocbs; -}; - -const gpgme_io_cbs EventLoopInteractor::Private::iocbs = { - &EventLoopInteractor::Private::registerIOCb, - nullptr, - &EventLoopInteractor::Private::removeIOCb, - &EventLoopInteractor::Private::eventIOCb, - nullptr -}; - -// -// EventLoopInteractor::Private IO Callback Implementations -// - -gpgme_error_t EventLoopInteractor::Private::registerIOCb(void *, int fd, int dir, - gpgme_io_cb_t fnc, void *fnc_data, - void **r_tag) -{ - assert(instance()); assert(instance()->d); - bool ok = false; - void *etag = instance()->registerWatcher(fd, dir ? Read : Write, ok); - if (!ok) { - return gpgme_error(GPG_ERR_GENERAL); - } - instance()->d->mCallbacks.push_back(new OneFD(fd, dir, fnc, fnc_data, etag)); - if (r_tag) { - *r_tag = instance()->d->mCallbacks.back(); - } - return GPG_ERR_NO_ERROR; -} - -void EventLoopInteractor::Private::removeIOCb(void *tag) -{ - - if (!instance() || !instance()->d) { - return; - } - for (vector<OneFD *>::iterator it = instance()->d->mCallbacks.begin(); - it != instance()->d->mCallbacks.end() ; ++it) { - if (*it == tag) { - instance()->unregisterWatcher((*it)->externalTag); - delete *it; *it = nullptr; - instance()->d->mCallbacks.erase(it); - return; - } - } -} - -void EventLoopInteractor::Private::eventIOCb(void *data, gpgme_event_io_t type, void *type_data) -{ - assert(instance()); - Context *ctx = static_cast<Context *>(data); - switch (type) { - case GPGME_EVENT_START: { - instance()->operationStartEvent(ctx); - // TODO: what's in type_data? - } - break; - case GPGME_EVENT_DONE: { - gpgme_error_t e = *static_cast<gpgme_error_t *>(type_data); - if (ctx && ctx->impl()) { - ctx->impl()->lasterr = e; - } - instance()->operationDoneEvent(ctx, Error(e)); - } - break; - case GPGME_EVENT_NEXT_KEY: { - gpgme_key_t key = static_cast<gpgme_key_t>(type_data); - instance()->nextKeyEvent(ctx, Key(key, false)); - } - break; - case GPGME_EVENT_NEXT_TRUSTITEM: { - gpgme_trust_item_t item = static_cast<gpgme_trust_item_t>(type_data); - instance()->nextTrustItemEvent(ctx, TrustItem(item)); - gpgme_trust_item_unref(item); - } - break; - default: // warn - ; - } -} - -// -// EventLoopInteractor Implementation -// - -EventLoopInteractor *EventLoopInteractor::mSelf = nullptr; - -EventLoopInteractor::EventLoopInteractor() : d(new Private) -{ - assert(!mSelf); - mSelf = this; -} - -EventLoopInteractor::~EventLoopInteractor() -{ - // warn if there are still callbacks registered - mSelf = nullptr; - delete d; -} - -void EventLoopInteractor::manage(Context *context) -{ - if (!context || context->managedByEventLoopInteractor()) { - return; - } - gpgme_io_cbs *iocbs = new gpgme_io_cbs(Private::iocbs); - iocbs->event_priv = context; - context->installIOCallbacks(iocbs); -} - -void EventLoopInteractor::unmanage(Context *context) -{ - if (context) { - context->uninstallIOCallbacks(); - } -} - -void EventLoopInteractor::actOn(int fd, Direction dir) -{ - for (vector<Private::OneFD *>::const_iterator it = d->mCallbacks.begin(); - it != d->mCallbacks.end() ; ++it) { - if ((*it)->fd == fd && ((*it)->dir ? Read : Write) == dir) { - (*((*it)->fnc))((*it)->fncData, fd); - break; - } - } -} - -} // namespace GpgME |